/* ============= CSS Variables ============= */
:root {
    --color-primary: #6B8E7F;
    --color-primary-dark: #557062;
    --color-primary-light: #8FA99A;
    --color-secondary: #A8B4A5;
    --color-background: #FAF9F6;
    --color-surface: #FFFFFF;
    --color-text: #3A4238;
    --color-text-light: #6B7569;
    --color-border: #E5E3DB;
    --color-error: #B85C50;
    --color-success: #7FA084;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    --radius: 20px;
    --radius-sm: 12px;
    --radius-lg: 24px;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.15);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

/* ============= Reset & Base ============= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

/* ============= Typography ============= */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }

/* ============= Layout ============= */
.screen {
    min-height: 100vh;
    display: none;
    padding-bottom: 80px; /* Space for bottom nav */
}

.screen:not(.hidden) {
    display: block;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

/* ============= Loading ============= */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(250, 249, 246, 0.95);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading.hidden {
    display: none;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============= Auth Screen ============= */
.auth-box {
    max-width: 420px;
    margin: var(--spacing-xl) auto;
    background: var(--color-surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.logo {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
}

.subtitle {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    font-size: 1rem;
}

/* ============= Forms ============= */
.form-container.hidden {
    display: none;
}

.form {
    text-align: left;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
    background: var(--color-surface);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(107, 142, 127, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.checkbox-group {
    margin-top: var(--spacing-xs);
}

.checkbox-group label {
    display: flex;
    align-items: center;
    font-weight: normal;
    font-size: 0.9rem;
    color: var(--color-text-light);
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-right: var(--spacing-xs);
    cursor: pointer;
}

.form-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.form-footer a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.form-footer a:hover {
    text-decoration: underline;
}

.form-hint {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 0.5rem;
    display: block;
}

/* ============= Buttons ============= */
.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    width: 100%;
    box-shadow: 0 4px 12px rgba(107, 142, 127, 0.3);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(107, 142, 127, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.btn-secondary {
    background: var(--color-secondary);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

.btn-link {
    background: none;
    border: none;
    color: var(--color-primary);
    text-decoration: underline;
    cursor: pointer;
    font-size: 0.95rem;
    padding: 0.5rem;
}

.btn-small {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
}

/* ============= Agreement Screen ============= */
.agreement-box {
    max-width: 600px;
    margin: var(--spacing-xl) auto;
    background: var(--color-surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.agreement-content {
    margin: var(--spacing-lg) 0;
    text-align: left;
}

.agreement-content ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.agreement-content li {
    margin: var(--spacing-sm) 0;
    line-height: 1.8;
}

.agreement-note {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-background);
    border-radius: var(--radius-sm);
    font-style: italic;
    color: var(--color-text-light);
}

/* ============= Bottom Navigation ============= */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-sm) 0 calc(var(--spacing-sm) + env(safe-area-inset-bottom));
    z-index: 1000;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.05);
}

.bottom-nav-content {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 0 var(--spacing-md);
}

.bottom-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: var(--spacing-xs);
    background: none;
    border: none;
    color: var(--color-text-light);
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 500;
    min-width: 60px;
    position: relative;
}

.bottom-nav-btn .icon {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    transition: var(--transition-fast);
}

.bottom-nav-btn.active {
    color: var(--color-primary);
}

.bottom-nav-btn.active .icon {
    stroke-width: 2.5;
}

.bottom-nav-btn:active {
    transform: scale(0.95);
}

.bottom-nav-btn-create {
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(107, 142, 127, 0.3);
    margin-top: -12px;
}

.bottom-nav-btn-create .icon {
    width: 28px;
    height: 28px;
    stroke: white;
}

.bottom-nav-btn-create:active {
    transform: scale(0.9);
}

/* ============= Header (Simplified) ============= */
.header {
    background: var(--color-surface);
    padding: var(--spacing-md) var(--spacing-lg);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.header-content {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    font-size: 1.5rem;
    margin: 0;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-btn {
    display: none; /* Hidden on mobile, shown on desktop */
}

.header-profile {
    background: transparent;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex !important; /* Always visible, even on mobile */
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 2px solid var(--color-border);
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

.header-profile-avatar {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-background);
    border-radius: 50%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236B7569' stroke-width='2'%3E%3Cpath d='M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2'%3E%3C/path%3E%3Ccircle cx='12' cy='7' r='4'%3E%3C/circle%3E%3C/svg%3E");
    min-width: 40px;
    min-height: 40px;
}

.header-profile-avatar.has-photo {
    /* Background image será aplicado via JavaScript inline style */
}

.header-credits {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    background: var(--color-background);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-text);
    font-weight: 500;
    white-space: nowrap;
}

.header-credits #credits-count {
    color: var(--color-primary);
    font-weight: 600;
}

.header-credits .credits-label {
    color: var(--color-text-light);
    font-size: 0.75rem;
}

.header-logout {
    background: none;
    border: none;
    padding: 0.5rem;
    color: var(--color-text-light);
}

.header-logout .icon {
    width: 22px;
    height: 22px;
}

.user-name {
    display: none;
}

/* ============= Views ============= */
.view {
    display: none;
    padding: var(--spacing-md) 0;
    animation: fadeIn 0.3s ease-out;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.action-section {
    margin-bottom: var(--spacing-xl);
    padding: 0 var(--spacing-md);
}

/* ============= Haux List ============= */
.haux-list {
    padding: 0 var(--spacing-md);
}

.haux-section-dropdown {
    margin-bottom: var(--spacing-md);
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.haux-section-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
    transition: var(--transition-fast);
}

.haux-section-header:hover {
    background: var(--color-background);
}

.haux-section-header .dropdown-icon {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.haux-section-dropdown.active .haux-section-header .dropdown-icon {
    transform: rotate(180deg);
}

.haux-section-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.haux-section-dropdown.active .haux-section-content {
    max-height: 5000px;
}

.haux-section-content .haux-cards {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.haux-section-content .empty-state {
    padding: var(--spacing-lg) var(--spacing-lg);
}

.haux-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.haux-card {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.haux-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transform: scaleX(0);
    transition: var(--transition);
}

.haux-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.haux-card:hover::before {
    transform: scaleX(1);
}

.haux-card:active {
    transform: translateY(-2px);
}

.haux-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-sm);
}

.haux-card-title {
    font-size: 1.35rem;
    font-weight: 600;
    margin: 0;
    color: var(--color-text);
    line-height: 1.3;
    flex: 1;
}

.haux-card-type {
    font-size: 0.8rem;
    color: var(--color-primary);
    background: rgba(107, 142, 127, 0.1);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-weight: 500;
    white-space: nowrap;
}

.haux-card-badge {
    display: inline-block;
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    font-weight: 500;
    margin-left: 0.5rem;
}

.haux-card-info {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin: var(--spacing-xs) 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.haux-card-intention {
    margin-top: var(--spacing-md);
    font-style: italic;
    color: var(--color-text);
    background: var(--color-background);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-primary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.haux-card-participants-avatars {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

.participant-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border: 2px solid var(--color-border);
    flex-shrink: 0;
    position: relative;
    cursor: pointer;
    transition: var(--transition-fast);
}

.participant-avatar:hover {
    transform: scale(1.1);
    border-color: var(--color-primary);
    z-index: 5;
}

.participant-avatar-placeholder {
    background: var(--color-background);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
}

.participant-avatar-placeholder svg {
    width: 18px;
    height: 18px;
}

.haux-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.haux-card-participants {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.haux-card-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.haux-card-actions .btn {
    width: auto;
    padding: 0.6rem 1.2rem;
    font-size: 0.85rem;
}

.haux-card-actions .btn-icon {
    width: 40px;
    height: 40px;
}

.haux-card-actions .btn-icon svg {
    width: 18px;
    height: 18px;
}

.haux-card-status {
    font-size: 0.8rem;
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-weight: 500;
}

.haux-card-status.active {
    background: var(--color-success);
    color: white;
}

.haux-card-status.closed {
    background: var(--color-border);
    color: var(--color-text-light);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ============= Search Section ============= */
.search-section {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--color-border);
}

.search-section h2 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.search-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    font-size: 0.95rem;
}

/* ============= Support View ============= */
.support-box {
    max-width: 500px;
    margin: var(--spacing-xl) auto;
    background: var(--color-surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    text-align: center;
    border: 1px solid var(--color-border);
}

.support-text {
    margin: var(--spacing-md) 0;
    color: var(--color-text);
    line-height: 1.8;
}

.support-info {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: var(--color-background);
    border-radius: var(--radius-sm);
}

.pix-key {
    font-family: monospace;
    font-size: 1.1rem;
    color: var(--color-primary);
    font-weight: 600;
    margin: var(--spacing-sm) 0;
}

.support-note {
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* ============= Modals ============= */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 1000;
    padding: 0;
    animation: fadeIn 0.2s ease-out;
}

/* Modal de edição deve aparecer acima do modal de detalhes */
#edit-haux-modal {
    z-index: 2000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.modal-small {
    max-width: 400px;
}

/* Centralize small modals vertically - using more compatible selector */
#participants-modal,
#join-haux-modal {
    align-items: center;
    padding: var(--spacing-md);
}

#participants-modal .modal-content,
#join-haux-modal .modal-content {
    border-radius: var(--radius-lg);
    max-height: 85vh;
    animation: fadeInScale 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeInScale {
    from {
        transform: scale(0.95);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    background: var(--color-surface);
    z-index: 10;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
}

.modal-close {
    background: var(--color-background);
    border: none;
    font-size: 1.5rem;
    color: var(--color-text-light);
    cursor: pointer;
    line-height: 1;
    padding: 0.5rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-border);
    color: var(--color-text);
}

.modal-content .form {
    padding: var(--spacing-lg);
}

/* ============= Haux Detail ============= */
.haux-detail {
    padding: var(--spacing-lg);
}

.haux-detail-header {
    margin-bottom: var(--spacing-xl);
}

.haux-detail-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    line-height: 1.3;
}

.haux-detail-type {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--color-primary);
    background: rgba(107, 142, 127, 0.1);
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.haux-detail-info {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.haux-detail-info-item {
    display: flex;
    gap: var(--spacing-sm);
    color: var(--color-text);
    align-items: center;
    font-size: 1rem;
}

.haux-detail-intention {
    background: var(--color-background);
    padding: var(--spacing-lg);
    border-radius: var(--radius-sm);
    font-style: italic;
    margin-bottom: var(--spacing-xl);
    border-left: 4px solid var(--color-primary);
    font-size: 1rem;
    line-height: 1.7;
}

.haux-detail-section {
    margin: var(--spacing-xl) 0;
}

.haux-detail-section h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.participants-list {
    display: grid;
    gap: var(--spacing-sm);
}

.participants-summary {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-background);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-lg);
}

.participants-summary h3 {
    margin: 0 0 var(--spacing-md);
    color: var(--color-text);
}

.participant-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-background);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.participant-item:hover {
    background: var(--color-border);
}

.participant-name {
    flex: 1;
    font-weight: 500;
}

.participant-response {
    font-size: 0.85rem;
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    font-weight: 500;
}

.response-sinto {
    background: var(--color-success);
    color: white;
}

.response-talvez {
    background: var(--color-secondary);
    color: white;
}

.response-nao {
    background: var(--color-border);
    color: var(--color-text-light);
}

/* ============= Response Buttons ============= */
.response-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.response-buttons .btn {
    padding: 1rem;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
}

.btn-sinto {
    background: var(--color-success);
    color: white;
    box-shadow: 0 4px 12px rgba(127, 160, 132, 0.3);
}

.btn-sinto:hover {
    background: #6B8A6F;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(127, 160, 132, 0.4);
}

.btn-talvez {
    background: var(--color-secondary);
    color: white;
    box-shadow: 0 4px 12px rgba(168, 180, 165, 0.3);
}

.btn-talvez:hover {
    background: #939E90;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(168, 180, 165, 0.4);
}

.btn-nao {
    background: var(--color-border);
    color: var(--color-text);
}

.btn-nao:hover {
    background: #D5D3CB;
    transform: translateY(-2px);
}

/* ============= Chat ============= */
.chat-container {
    background: var(--color-background);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    max-height: 500px;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    margin-bottom: var(--spacing-md);
    max-height: 400px;
    padding: var(--spacing-sm);
}

.chat-message {
    margin-bottom: var(--spacing-md);
    animation: fadeIn 0.3s ease-out;
}

.chat-message-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
    align-items: center;
}

.chat-message-name {
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.9rem;
}

.chat-message-time {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.chat-message-text {
    background: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    line-height: 1.6;
}

.chat-form {
    display: flex;
    gap: var(--spacing-sm);
}

.chat-form input {
    flex: 1;
    padding: 0.875rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
}

.chat-form input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.chat-form button {
    width: auto;
    padding: 0.875rem 1.5rem;
}

.chat-empty {
    text-align: center;
    color: var(--color-text-light);
    padding: var(--spacing-xl);
    font-size: 0.95rem;
}

/* ============= Invite Section ============= */
.invite-section {
    background: var(--color-background);
    padding: var(--spacing-lg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--color-border);
}

.invite-link-container {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.invite-link-container input {
    flex: 1;
    padding: 0.875rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    background: var(--color-surface);
}

.invite-link-container input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.invite-link-container button {
    width: auto;
    padding: 0.875rem 1.5rem;
}

.share-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.btn-share {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.btn-share svg {
    flex-shrink: 0;
}

.btn-share-whatsapp {
    background: #25D366;
    color: white;
    box-shadow: 0 2px 8px rgba(37, 211, 102, 0.3);
}

.btn-share-whatsapp:hover {
    background: #20BA5A;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
}

.btn-share-email {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(107, 142, 127, 0.3);
}

.btn-share-email:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(107, 142, 127, 0.4);
}

.btn-share-native {
    background: var(--color-secondary);
    color: white;
    box-shadow: 0 2px 8px rgba(168, 180, 165, 0.3);
}

.btn-share-native:hover {
    background: #939E90;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(168, 180, 165, 0.4);
}

@media (max-width: 480px) {
    .share-buttons {
        grid-template-columns: 1fr;
    }
}

/* ============= Action Buttons ============= */
.action-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.btn-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 0;
    box-shadow: var(--shadow);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
}

.btn-icon-edit {
    background: var(--color-primary);
    color: white;
}

.btn-icon-edit:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-icon-close {
    background: var(--color-error);
    color: white;
}

.btn-icon-close:hover {
    background: #9A4A3F;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(184, 92, 80, 0.4);
}

.btn-icon-delete {
    background: var(--color-error);
    color: white;
}

.btn-icon-delete:hover {
    background: #9A4A3F;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(184, 92, 80, 0.4);
}

.btn-icon-participants {
    background: var(--color-primary);
    color: white;
}

.btn-icon-participants:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-icon:active {
    transform: translateY(0) scale(0.95);
}

/* ============= Toast Notifications ============= */
.toast-container {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 320px;
}

.toast {
    background: var(--color-surface);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 4px solid var(--color-primary);
}

.toast.success {
    border-left-color: var(--color-success);
}

.toast.error {
    border-left-color: var(--color-error);
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ============= Profile Modal ============= */
.profile-content {
    padding: var(--spacing-lg);
}

.profile-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.profile-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.profile-section h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    font-size: 1.25rem;
}

.profile-avatar-container {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.profile-avatar {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--color-background);
    border: 4px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
}

.avatar-placeholder svg {
    width: 70px;
    height: 70px;
}

.profile-info {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.profile-info-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.profile-info-item label {
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.profile-info-item p {
    margin: 0;
    color: var(--color-text);
    font-size: 1.1rem;
    font-weight: 500;
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

.form-actions .btn {
    width: auto;
}

.photo-upload-area {
    text-align: center;
}

.photo-preview-container {
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
}

.photo-preview {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--color-background);
    border: 4px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}

.photo-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-upload-controls {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-sm);
}

.photo-upload-controls .btn {
    width: auto;
}

.photo-upload-hint {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
    text-align: center;
}

/* ============= Utility Classes ============= */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--color-text-light);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

/* ============= Responsive ============= */
@media (min-width: 768px) {
    .container {
        padding: var(--spacing-lg);
    }

    .bottom-nav {
        display: none;
    }

    .header-btn {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.625rem 1rem;
        background: var(--color-background);
        border: none;
        border-radius: var(--radius-sm);
        color: var(--color-text-light);
        font-size: 0.95rem;
        cursor: pointer;
        transition: var(--transition-fast);
        font-family: inherit;
        white-space: nowrap;
    }

    .header-btn:hover {
        background: var(--color-border);
    }

    .header-btn.active {
        background: var(--color-primary);
        color: white;
    }

    .header-btn .icon {
        width: 18px;
        height: 18px;
        stroke: currentColor;
        stroke-width: 2;
        fill: none;
        flex-shrink: 0;
    }

    .user-name {
        display: inline;
        color: var(--color-text-light);
        font-size: 0.95rem;
        font-weight: 400;
    }

    .screen {
        padding-bottom: 0;
    }

    .response-buttons {
        grid-template-columns: repeat(3, 1fr);
        max-width: 500px;
        margin: 0 auto;
    }

    .modal {
        align-items: center;
    }

    .modal-content {
        border-radius: var(--radius-lg);
        max-height: 85vh;
    }

    .haux-cards {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: var(--spacing-lg);
    }
}

@media (max-width: 767px) {
    .container {
        padding: var(--spacing-sm);
    }

    .header {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .header-logo {
        font-size: 1.3rem;
    }

    .response-buttons {
        grid-template-columns: 1fr;
    }


    .haux-card {
        padding: var(--spacing-md);
    }

    .haux-card-title {
        font-size: 1.2rem;
    }
}